Oil-cup



(No Model.)

J. J. RENCHARD.

OIL CUP.

Patented June 5, 1883.

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UNITED STATES PATENT nalen,

JOHN J.V RENOHARD, OF DETROIT, MICHIGAN.

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SPECIFICATION forming part of Letters Patent lNo. 278,742, dated .Tune 5, 1883. Application led September 4, 1882. (No model.)

To all whom t may concern:

Beit known that I, JOHN J. RENQHARD, a citizen ofthe United States, residing at Detroit, in the county of IVayne and State of Michigan, have invented certain new and useful Improvements in Oil-Cups .for the Journal-Boxes of Crank-Pins, Eccentrics, and Gross-Heads of Engines and other Machinery; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

The object of my invention is to provide an oilcup for eccentric cross-heads and crank-pins of engines and other machinery, which, while the machine is in motion, has a positive automatic feed, and when the machinery is at rest cuts off the escape of oil.

The construction and operation of my invention is further explained by reference to the accompanying drawings, in which- Figure l represents avertical section. Fig. 2 is a detail showing a vertical section of the central connecting-stem, drawn at right angles to that shown in Fig. l. Fig. 3 represents a detail, showing a plan view of the connectingtube.

Like parts are represented by the same reference-letters throughout the several views.

A is the body of the oil-cup, which is preferably made of glass, the ends of which are closed by the metallic cap B and coupling-stem C, the joints between the cup and the metal being packed by corks or other elastic packing, a a. The cap B and stem C are drawn toward each other and securedfirmly against the ends of the glass body by the connecting stem or link D.

E is a stopper which closes the mouth of the oil-cup.

F is a sleeve which is' cast in the same piece with the cap B. Said sleeve is provided with a female screw for the reception of the screw on the stopper and the serewon the connecting-link, as shown. When the stopper is removed the oil is poured into said sleeve, from which it escapes through the openings G G into the cup A. The oil is discharged from the cup to the crank-pin or other journal-boxes by the action of the plunger H, which plunger has, a reciprocatory upward and downward movement, caused by the action of the pendulum I. The pendulum l is pivoted to the side of the stem D in the box -J 5 the lower or pivoted end of said pendulum, being formed at right anglesto the upright part thereof, as shown, is caused to perform a partial revolution as the pendulum oscillates, whereby the rod K, which is inserted through the horizontal end of said pendulum, is caused to rise and fall from the position shown in Fig. 2 to that indicated by dotted lines. The rod K passes through a loosely-fitting opening in the plunger H, and as it moves upward and downward carries the plunger with it. The pendulum is caused to oscillate, as mentioned, to and from the positions indicated in Fig. 2 by the motion of the crank-pin or eccentric. The upward and downward movement of the plunger, and consequently the movement of the pendulum, is governed by the adjusting-screw L,said plunger being'adapted to move downward until its lower end'strikes the coupling-j oint C, and to move upward until its upper end strikes the screw L. Thus the motion of the plunger is increased by raisingthe screw and decreased bylowering it, whereby the quantity of oil discharged by each movement is regulated. An oil-space, O, is left in the coupling D, around the plunger, for the reception of oil,which oil enters said space through the openings M M. The lower end of said plunger is enlarged, thus forming a piston, N, which is' fitted to the lower end of said stem D, and when drawn upward prevents the escape of oil f'rom said stem. IVhen said plunger is moved downward, said piston or enlarged end is brought below the orifice of said stem D and a small quantity of oil escapes from said stem into the recess O, from whence it escapes around the angular or loosely-fitting rod P into the journal-box of the cross-head. The dimensions of the rod P are such that the oil in said recess O is prevented from escaping, except slowly of its own gravity, but is discharged therefrom after said chamber is iilled by pressure from the lower end of said plunger or piston as it moves downward into said chamber.

It is obvious that, if desired, the pendulum may be suspended below its pivotal bearings, when the oscillating movement will be sub- IOO 2- wenn 5 Patent, is-

In an oil-cup for wrist-pins, eccentrics, &e., the combination of cup A, cap B, coupling-stem C, connecting 1 stem D, pendulum I, arm K, plunger H, and adjustingscrew L, said cap B Io being provided with an opening for stopper E,

through which the cup is lled and the screw L adjusted, said screw L and plunger H being arranged within said coupling D in such a manner that with each alternate movement of I 5 the pendulum I said plunger is brought in conl tact with the adjusting-screw, said screw being adapted to regulate the upward and downward movement of said plunger,wherebythe escape of oil with each alternate movement of said pendulum is governed, said coupling C being provided with oil-space O, said plungerHbeing provided with piston N, as adapted to eject the oil from said space O with each downward movement of said plunger, all substantially as and fol-'the purpose specified.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN J. RENCHARD.

"Witnesses: A a

HENRY C. RENOHARD, ORRIN H. BUTTERFIELD. 

